3621404562616 has 16 divisors (see below), whose sum is σ = 6791148471240. Its totient is φ = 1810431636960.

The previous prime is 3621404562613. The next prime is 3621404562631. The reversal of 3621404562616 is 6162654041263.

It is a super-2 number, since 2×3621404562616² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3621404562613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33773671 + ... + 33880726.

Almost surely, 2^{3621404562616} is an apocalyptic number.

It is an amenable number.

3621404562616 is a deficient number, since it is larger than the sum of its proper divisors (3169743908624).

3621404562616 is a wasteful number, since it uses less digits than its factorization.

3621404562616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67661094 (or 67661090 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 3621404562616 in words is "three trillion, six hundred twenty-one billion, four hundred four million, five hundred sixty-two thousand, six hundred sixteen".